Home / 160,485.71-221,467.56-88,864.19

Finding the Fourth Proportional to 160,485.71, 221,467.56 and 88,864.19

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Solution

The fourth proportional to 160,485.71, 221,467.56 and 88,864.19 is: 122,631.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,485.71 : 221,467.56 = 88,864.19 : x
  2. Step 2: Convert to fraction form
    160,485.71/221,467.56 = 88,864.19/x
  3. Step 3: Cross multiply
    160,485.71x = 221,467.56 × 88,864.19
  4. Step 4: Simplify right side
    160,485.71x = 19,680,534,223.34
  5. Step 5: Solve for x
    x = 19,680,534,223.34/160,485.71
  6. Step 6: Final answer
    x = 122,631.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.