Home / 152,303.31-210,151.08-87,760.89

Finding the Fourth Proportional to 152,303.31, 210,151.08 and 87,760.89

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Solution

The fourth proportional to 152,303.31, 210,151.08 and 87,760.89 is: 121,094.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,303.31 : 210,151.08 = 87,760.89 : x
  2. Step 2: Convert to fraction form
    152,303.31/210,151.08 = 87,760.89/x
  3. Step 3: Cross multiply
    152,303.31x = 210,151.08 × 87,760.89
  4. Step 4: Simplify right side
    152,303.31x = 18,443,045,815.26
  5. Step 5: Solve for x
    x = 18,443,045,815.26/152,303.31
  6. Step 6: Final answer
    x = 121,094.19

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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.