Home / 99,005.61-148,459.28-31,528.85

Finding the Fourth Proportional to 99,005.61, 148,459.28 and 31,528.85

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Solution

The fourth proportional to 99,005.61, 148,459.28 and 31,528.85 is: 47,277.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,005.61 : 148,459.28 = 31,528.85 : x
  2. Step 2: Convert to fraction form
    99,005.61/148,459.28 = 31,528.85/x
  3. Step 3: Cross multiply
    99,005.61x = 148,459.28 × 31,528.85
  4. Step 4: Simplify right side
    99,005.61x = 4,680,750,370.23
  5. Step 5: Solve for x
    x = 4,680,750,370.23/99,005.61
  6. Step 6: Final answer
    x = 47,277.63

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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.