Home / 155,642.60-233,195.10-72,365.80

Finding the Fourth Proportional to 155,642.60, 233,195.10 and 72,365.80

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Solution

The fourth proportional to 155,642.60, 233,195.10 and 72,365.80 is: 108,423.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,642.60 : 233,195.10 = 72,365.80 : x
  2. Step 2: Convert to fraction form
    155,642.60/233,195.10 = 72,365.80/x
  3. Step 3: Cross multiply
    155,642.60x = 233,195.10 × 72,365.80
  4. Step 4: Simplify right side
    155,642.60x = 16,875,349,967.58
  5. Step 5: Solve for x
    x = 16,875,349,967.58/155,642.60
  6. Step 6: Final answer
    x = 108,423.72

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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.