Home / 145,746.83-201,125.88-89,158.20

Finding the Fourth Proportional to 145,746.83, 201,125.88 and 89,158.20

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Solution

The fourth proportional to 145,746.83, 201,125.88 and 89,158.20 is: 123,035.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,746.83 : 201,125.88 = 89,158.20 : x
  2. Step 2: Convert to fraction form
    145,746.83/201,125.88 = 89,158.20/x
  3. Step 3: Cross multiply
    145,746.83x = 201,125.88 × 89,158.20
  4. Step 4: Simplify right side
    145,746.83x = 17,932,021,434.22
  5. Step 5: Solve for x
    x = 17,932,021,434.22/145,746.83
  6. Step 6: Final answer
    x = 123,035.42

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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.