Home / 90,123.04-135,184.52-24,459.04

Finding the Fourth Proportional to 90,123.04, 135,184.52 and 24,459.04

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Solution

The fourth proportional to 90,123.04, 135,184.52 and 24,459.04 is: 36,688.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,123.04 : 135,184.52 = 24,459.04 : x
  2. Step 2: Convert to fraction form
    90,123.04/135,184.52 = 24,459.04/x
  3. Step 3: Cross multiply
    90,123.04x = 135,184.52 × 24,459.04
  4. Step 4: Simplify right side
    90,123.04x = 3,306,483,582.06
  5. Step 5: Solve for x
    x = 3,306,483,582.06/90,123.04
  6. Step 6: Final answer
    x = 36,688.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.