Home / 147,336.08-220,814.54-128,282.74

Finding the Fourth Proportional to 147,336.08, 220,814.54 and 128,282.74

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Solution

The fourth proportional to 147,336.08, 220,814.54 and 128,282.74 is: 192,259.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,336.08 : 220,814.54 = 128,282.74 : x
  2. Step 2: Convert to fraction form
    147,336.08/220,814.54 = 128,282.74/x
  3. Step 3: Cross multiply
    147,336.08x = 220,814.54 × 128,282.74
  4. Step 4: Simplify right side
    147,336.08x = 28,326,694,223.04
  5. Step 5: Solve for x
    x = 28,326,694,223.04/147,336.08
  6. Step 6: Final answer
    x = 192,259.05

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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.