Home / 102,279.12-141,111.36-59,807.58

Finding the Fourth Proportional to 102,279.12, 141,111.36 and 59,807.58

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Solution

The fourth proportional to 102,279.12, 141,111.36 and 59,807.58 is: 82,514.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,279.12 : 141,111.36 = 59,807.58 : x
  2. Step 2: Convert to fraction form
    102,279.12/141,111.36 = 59,807.58/x
  3. Step 3: Cross multiply
    102,279.12x = 141,111.36 × 59,807.58
  4. Step 4: Simplify right side
    102,279.12x = 8,439,528,952.11
  5. Step 5: Solve for x
    x = 8,439,528,952.11/102,279.12
  6. Step 6: Final answer
    x = 82,514.68

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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.