Home / 145,347.68-200,561.76-84,104.40

Finding the Fourth Proportional to 145,347.68, 200,561.76 and 84,104.40

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Solution

The fourth proportional to 145,347.68, 200,561.76 and 84,104.40 is: 116,053.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,347.68 : 200,561.76 = 84,104.40 : x
  2. Step 2: Convert to fraction form
    145,347.68/200,561.76 = 84,104.40/x
  3. Step 3: Cross multiply
    145,347.68x = 200,561.76 × 84,104.40
  4. Step 4: Simplify right side
    145,347.68x = 16,868,126,487.74
  5. Step 5: Solve for x
    x = 16,868,126,487.74/145,347.68
  6. Step 6: Final answer
    x = 116,053.63

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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.