Home / 112,245.79-154,925.67-64,526.80

Finding the Fourth Proportional to 112,245.79, 154,925.67 and 64,526.80

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Solution

The fourth proportional to 112,245.79, 154,925.67 and 64,526.80 is: 89,062.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,245.79 : 154,925.67 = 64,526.80 : x
  2. Step 2: Convert to fraction form
    112,245.79/154,925.67 = 64,526.80/x
  3. Step 3: Cross multiply
    112,245.79x = 154,925.67 × 64,526.80
  4. Step 4: Simplify right side
    112,245.79x = 9,996,857,722.96
  5. Step 5: Solve for x
    x = 9,996,857,722.96/112,245.79
  6. Step 6: Final answer
    x = 89,062.21

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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.