Home / 151,214.04-208,702.98-87,557.76

Finding the Fourth Proportional to 151,214.04, 208,702.98 and 87,557.76

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Solution

The fourth proportional to 151,214.04, 208,702.98 and 87,557.76 is: 120,845.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,214.04 : 208,702.98 = 87,557.76 : x
  2. Step 2: Convert to fraction form
    151,214.04/208,702.98 = 87,557.76/x
  3. Step 3: Cross multiply
    151,214.04x = 208,702.98 × 87,557.76
  4. Step 4: Simplify right side
    151,214.04x = 18,273,565,434.12
  5. Step 5: Solve for x
    x = 18,273,565,434.12/151,214.04
  6. Step 6: Final answer
    x = 120,845.69

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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.