Home / 120,897.12-181,346.09-42,012.03

Finding the Fourth Proportional to 120,897.12, 181,346.09 and 42,012.03

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Solution

The fourth proportional to 120,897.12, 181,346.09 and 42,012.03 is: 63,018.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,897.12 : 181,346.09 = 42,012.03 : x
  2. Step 2: Convert to fraction form
    120,897.12/181,346.09 = 42,012.03/x
  3. Step 3: Cross multiply
    120,897.12x = 181,346.09 × 42,012.03
  4. Step 4: Simplify right side
    120,897.12x = 7,618,717,373.46
  5. Step 5: Solve for x
    x = 7,618,717,373.46/120,897.12
  6. Step 6: Final answer
    x = 63,018.19

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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.