Home / 212,145.24-292,770.95-131,598.71

Finding the Fourth Proportional to 212,145.24, 292,770.95 and 131,598.71

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Solution

The fourth proportional to 212,145.24, 292,770.95 and 131,598.71 is: 181,612.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,145.24 : 292,770.95 = 131,598.71 : x
  2. Step 2: Convert to fraction form
    212,145.24/292,770.95 = 131,598.71/x
  3. Step 3: Cross multiply
    212,145.24x = 292,770.95 × 131,598.71
  4. Step 4: Simplify right side
    212,145.24x = 38,528,279,345.47
  5. Step 5: Solve for x
    x = 38,528,279,345.47/212,145.24
  6. Step 6: Final answer
    x = 181,612.74

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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.