Home / 155,613.12-233,235.15-139,743.70

Finding the Fourth Proportional to 155,613.12, 233,235.15 and 139,743.70

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Solution

The fourth proportional to 155,613.12, 233,235.15 and 139,743.70 is: 209,449.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,613.12 : 233,235.15 = 139,743.70 : x
  2. Step 2: Convert to fraction form
    155,613.12/233,235.15 = 139,743.70/x
  3. Step 3: Cross multiply
    155,613.12x = 233,235.15 × 139,743.70
  4. Step 4: Simplify right side
    155,613.12x = 32,593,142,831.06
  5. Step 5: Solve for x
    x = 32,593,142,831.06/155,613.12
  6. Step 6: Final answer
    x = 209,449.84

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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.