Home / 156,030.48-215,268.57-88,039.08

Finding the Fourth Proportional to 156,030.48, 215,268.57 and 88,039.08

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Solution

The fourth proportional to 156,030.48, 215,268.57 and 88,039.08 is: 121,463.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,030.48 : 215,268.57 = 88,039.08 : x
  2. Step 2: Convert to fraction form
    156,030.48/215,268.57 = 88,039.08/x
  3. Step 3: Cross multiply
    156,030.48x = 215,268.57 × 88,039.08
  4. Step 4: Simplify right side
    156,030.48x = 18,952,046,855.72
  5. Step 5: Solve for x
    x = 18,952,046,855.72/156,030.48
  6. Step 6: Final answer
    x = 121,463.75

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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.