Home / 118,501.08-163,524.87-64,775.40

Finding the Fourth Proportional to 118,501.08, 163,524.87 and 64,775.40

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Solution

The fourth proportional to 118,501.08, 163,524.87 and 64,775.40 is: 89,386.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,501.08 : 163,524.87 = 64,775.40 : x
  2. Step 2: Convert to fraction form
    118,501.08/163,524.87 = 64,775.40/x
  3. Step 3: Cross multiply
    118,501.08x = 163,524.87 × 64,775.40
  4. Step 4: Simplify right side
    118,501.08x = 10,592,388,864.20
  5. Step 5: Solve for x
    x = 10,592,388,864.20/118,501.08
  6. Step 6: Final answer
    x = 89,386.43

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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.