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Finding the Fourth Proportional to 160,030.89, 240,110.88 and 71,223.65

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Solution

The fourth proportional to 160,030.89, 240,110.88 and 71,223.65 is: 106,864.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,030.89 : 240,110.88 = 71,223.65 : x
  2. Step 2: Convert to fraction form
    160,030.89/240,110.88 = 71,223.65/x
  3. Step 3: Cross multiply
    160,030.89x = 240,110.88 × 71,223.65
  4. Step 4: Simplify right side
    160,030.89x = 17,101,573,278.31
  5. Step 5: Solve for x
    x = 17,101,573,278.31/160,030.89
  6. Step 6: Final answer
    x = 106,864.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.