Home / 180,036.11-248,451.89-99,461.90

Finding the Fourth Proportional to 180,036.11, 248,451.89 and 99,461.90

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Solution

The fourth proportional to 180,036.11, 248,451.89 and 99,461.90 is: 137,258.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,036.11 : 248,451.89 = 99,461.90 : x
  2. Step 2: Convert to fraction form
    180,036.11/248,451.89 = 99,461.90/x
  3. Step 3: Cross multiply
    180,036.11x = 248,451.89 × 99,461.90
  4. Step 4: Simplify right side
    180,036.11x = 24,711,495,298.42
  5. Step 5: Solve for x
    x = 24,711,495,298.42/180,036.11
  6. Step 6: Final answer
    x = 137,258.55

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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.