Home / 112,343.70-155,035.53-61,357.92

Finding the Fourth Proportional to 112,343.70, 155,035.53 and 61,357.92

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Solution

The fourth proportional to 112,343.70, 155,035.53 and 61,357.92 is: 84,674.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,343.70 : 155,035.53 = 61,357.92 : x
  2. Step 2: Convert to fraction form
    112,343.70/155,035.53 = 61,357.92/x
  3. Step 3: Cross multiply
    112,343.70x = 155,035.53 × 61,357.92
  4. Step 4: Simplify right side
    112,343.70x = 9,512,657,646.90
  5. Step 5: Solve for x
    x = 9,512,657,646.90/112,343.70
  6. Step 6: Final answer
    x = 84,674.60

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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.