Home / 252,124.05-347,931.19-138,946.80

Finding the Fourth Proportional to 252,124.05, 347,931.19 and 138,946.80

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Solution

The fourth proportional to 252,124.05, 347,931.19 and 138,946.80 is: 191,746.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,124.05 : 347,931.19 = 138,946.80 : x
  2. Step 2: Convert to fraction form
    252,124.05/347,931.19 = 138,946.80/x
  3. Step 3: Cross multiply
    252,124.05x = 347,931.19 × 138,946.80
  4. Step 4: Simplify right side
    252,124.05x = 48,343,925,470.69
  5. Step 5: Solve for x
    x = 48,343,925,470.69/252,124.05
  6. Step 6: Final answer
    x = 191,746.58

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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.