Home / 152,920.40-229,380.75-58,128.30

Finding the Fourth Proportional to 152,920.40, 229,380.75 and 58,128.30

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Solution

The fourth proportional to 152,920.40, 229,380.75 and 58,128.30 is: 87,192.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,920.40 : 229,380.75 = 58,128.30 : x
  2. Step 2: Convert to fraction form
    152,920.40/229,380.75 = 58,128.30/x
  3. Step 3: Cross multiply
    152,920.40x = 229,380.75 × 58,128.30
  4. Step 4: Simplify right side
    152,920.40x = 13,333,513,050.23
  5. Step 5: Solve for x
    x = 13,333,513,050.23/152,920.40
  6. Step 6: Final answer
    x = 87,192.51

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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.