Home / 86,146.65-129,088.08-57,962.31

Finding the Fourth Proportional to 86,146.65, 129,088.08 and 57,962.31

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Solution

The fourth proportional to 86,146.65, 129,088.08 and 57,962.31 is: 86,854.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,146.65 : 129,088.08 = 57,962.31 : x
  2. Step 2: Convert to fraction form
    86,146.65/129,088.08 = 57,962.31/x
  3. Step 3: Cross multiply
    86,146.65x = 129,088.08 × 57,962.31
  4. Step 4: Simplify right side
    86,146.65x = 7,482,243,310.26
  5. Step 5: Solve for x
    x = 7,482,243,310.26/86,146.65
  6. Step 6: Final answer
    x = 86,854.72

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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.