Home / 156,254.02-215,488.81-102,518.62

Finding the Fourth Proportional to 156,254.02, 215,488.81 and 102,518.62

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Solution

The fourth proportional to 156,254.02, 215,488.81 and 102,518.62 is: 141,382.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,254.02 : 215,488.81 = 102,518.62 : x
  2. Step 2: Convert to fraction form
    156,254.02/215,488.81 = 102,518.62/x
  3. Step 3: Cross multiply
    156,254.02x = 215,488.81 × 102,518.62
  4. Step 4: Simplify right side
    156,254.02x = 22,091,615,426.64
  5. Step 5: Solve for x
    x = 22,091,615,426.64/156,254.02
  6. Step 6: Final answer
    x = 141,382.70

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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.