Home / 152,041.05-209,807.60-84,053.95

Finding the Fourth Proportional to 152,041.05, 209,807.60 and 84,053.95

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Solution

The fourth proportional to 152,041.05, 209,807.60 and 84,053.95 is: 115,989.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,041.05 : 209,807.60 = 84,053.95 : x
  2. Step 2: Convert to fraction form
    152,041.05/209,807.60 = 84,053.95/x
  3. Step 3: Cross multiply
    152,041.05x = 209,807.60 × 84,053.95
  4. Step 4: Simplify right side
    152,041.05x = 17,635,157,520.02
  5. Step 5: Solve for x
    x = 17,635,157,520.02/152,041.05
  6. Step 6: Final answer
    x = 115,989.45

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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.