Home / 156,085.06-215,397.95-84,465.07

Finding the Fourth Proportional to 156,085.06, 215,397.95 and 84,465.07

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Solution

The fourth proportional to 156,085.06, 215,397.95 and 84,465.07 is: 116,562.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,085.06 : 215,397.95 = 84,465.07 : x
  2. Step 2: Convert to fraction form
    156,085.06/215,397.95 = 84,465.07/x
  3. Step 3: Cross multiply
    156,085.06x = 215,397.95 × 84,465.07
  4. Step 4: Simplify right side
    156,085.06x = 18,193,602,924.61
  5. Step 5: Solve for x
    x = 18,193,602,924.61/156,085.06
  6. Step 6: Final answer
    x = 116,562.10

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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.