Home / 145,140.86-200,259.34-84,677.00

Finding the Fourth Proportional to 145,140.86, 200,259.34 and 84,677.00

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Solution

The fourth proportional to 145,140.86, 200,259.34 and 84,677.00 is: 116,833.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,140.86 : 200,259.34 = 84,677.00 : x
  2. Step 2: Convert to fraction form
    145,140.86/200,259.34 = 84,677.00/x
  3. Step 3: Cross multiply
    145,140.86x = 200,259.34 × 84,677.00
  4. Step 4: Simplify right side
    145,140.86x = 16,957,358,920.19
  5. Step 5: Solve for x
    x = 16,957,358,920.19/145,140.86
  6. Step 6: Final answer
    x = 116,833.80

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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.