Home / 153,140.64-229,624.56-47,931.36

Finding the Fourth Proportional to 153,140.64, 229,624.56 and 47,931.36

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Solution

The fourth proportional to 153,140.64, 229,624.56 and 47,931.36 is: 71,870.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,140.64 : 229,624.56 = 47,931.36 : x
  2. Step 2: Convert to fraction form
    153,140.64/229,624.56 = 47,931.36/x
  3. Step 3: Cross multiply
    153,140.64x = 229,624.56 × 47,931.36
  4. Step 4: Simplify right side
    153,140.64x = 11,006,217,450.20
  5. Step 5: Solve for x
    x = 11,006,217,450.20/153,140.64
  6. Step 6: Final answer
    x = 71,870.00

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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.