Home / 102,272.11-153,417.02-31,210.74

Finding the Fourth Proportional to 102,272.11, 153,417.02 and 31,210.74

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Solution

The fourth proportional to 102,272.11, 153,417.02 and 31,210.74 is: 46,818.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,272.11 : 153,417.02 = 31,210.74 : x
  2. Step 2: Convert to fraction form
    102,272.11/153,417.02 = 31,210.74/x
  3. Step 3: Cross multiply
    102,272.11x = 153,417.02 × 31,210.74
  4. Step 4: Simplify right side
    102,272.11x = 4,788,259,305.46
  5. Step 5: Solve for x
    x = 4,788,259,305.46/102,272.11
  6. Step 6: Final answer
    x = 46,818.82

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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.