Home / 88,143.27-121,618.71-52,345.32

Finding the Fourth Proportional to 88,143.27, 121,618.71 and 52,345.32

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Solution

The fourth proportional to 88,143.27, 121,618.71 and 52,345.32 is: 72,225.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,143.27 : 121,618.71 = 52,345.32 : x
  2. Step 2: Convert to fraction form
    88,143.27/121,618.71 = 52,345.32/x
  3. Step 3: Cross multiply
    88,143.27x = 121,618.71 × 52,345.32
  4. Step 4: Simplify right side
    88,143.27x = 6,366,170,292.94
  5. Step 5: Solve for x
    x = 6,366,170,292.94/88,143.27
  6. Step 6: Final answer
    x = 72,225.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.