Home / 115,281.60-172,803.52-83,612.32

Finding the Fourth Proportional to 115,281.60, 172,803.52 and 83,612.32

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Solution

The fourth proportional to 115,281.60, 172,803.52 and 83,612.32 is: 125,332.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,281.60 : 172,803.52 = 83,612.32 : x
  2. Step 2: Convert to fraction form
    115,281.60/172,803.52 = 83,612.32/x
  3. Step 3: Cross multiply
    115,281.60x = 172,803.52 × 83,612.32
  4. Step 4: Simplify right side
    115,281.60x = 14,448,503,211.37
  5. Step 5: Solve for x
    x = 14,448,503,211.37/115,281.60
  6. Step 6: Final answer
    x = 125,332.26

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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.