Home / 155,624.40-233,108.55-139,003.20

Finding the Fourth Proportional to 155,624.40, 233,108.55 and 139,003.20

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Solution

The fourth proportional to 155,624.40, 233,108.55 and 139,003.20 is: 208,211.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,624.40 : 233,108.55 = 139,003.20 : x
  2. Step 2: Convert to fraction form
    155,624.40/233,108.55 = 139,003.20/x
  3. Step 3: Cross multiply
    155,624.40x = 233,108.55 × 139,003.20
  4. Step 4: Simplify right side
    155,624.40x = 32,402,834,397.36
  5. Step 5: Solve for x
    x = 32,402,834,397.36/155,624.40
  6. Step 6: Final answer
    x = 208,211.79

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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.