Home / 64,854.16-97,280.64-18,106.96

Finding the Fourth Proportional to 64,854.16, 97,280.64 and 18,106.96

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Solution

The fourth proportional to 64,854.16, 97,280.64 and 18,106.96 is: 27,160.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,854.16 : 97,280.64 = 18,106.96 : x
  2. Step 2: Convert to fraction form
    64,854.16/97,280.64 = 18,106.96/x
  3. Step 3: Cross multiply
    64,854.16x = 97,280.64 × 18,106.96
  4. Step 4: Simplify right side
    64,854.16x = 1,761,456,657.25
  5. Step 5: Solve for x
    x = 1,761,456,657.25/64,854.16
  6. Step 6: Final answer
    x = 27,160.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.