Home / 152,838.30-229,257.45-42,030.30

Finding the Fourth Proportional to 152,838.30, 229,257.45 and 42,030.30

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Solution

The fourth proportional to 152,838.30, 229,257.45 and 42,030.30 is: 63,045.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,838.30 : 229,257.45 = 42,030.30 : x
  2. Step 2: Convert to fraction form
    152,838.30/229,257.45 = 42,030.30/x
  3. Step 3: Cross multiply
    152,838.30x = 229,257.45 × 42,030.30
  4. Step 4: Simplify right side
    152,838.30x = 9,635,759,400.74
  5. Step 5: Solve for x
    x = 9,635,759,400.74/152,838.30
  6. Step 6: Final answer
    x = 63,045.45

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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.