Home / 156,276.84-215,681.70-88,297.20

Finding the Fourth Proportional to 156,276.84, 215,681.70 and 88,297.20

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Solution

The fourth proportional to 156,276.84, 215,681.70 and 88,297.20 is: 121,861.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,276.84 : 215,681.70 = 88,297.20 : x
  2. Step 2: Convert to fraction form
    156,276.84/215,681.70 = 88,297.20/x
  3. Step 3: Cross multiply
    156,276.84x = 215,681.70 × 88,297.20
  4. Step 4: Simplify right side
    156,276.84x = 19,044,090,201.24
  5. Step 5: Solve for x
    x = 19,044,090,201.24/156,276.84
  6. Step 6: Final answer
    x = 121,861.24

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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.