Home / 147,987.16-222,013.98-42,814.32

Finding the Fourth Proportional to 147,987.16, 222,013.98 and 42,814.32

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Solution

The fourth proportional to 147,987.16, 222,013.98 and 42,814.32 is: 64,231.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,987.16 : 222,013.98 = 42,814.32 : x
  2. Step 2: Convert to fraction form
    147,987.16/222,013.98 = 42,814.32/x
  3. Step 3: Cross multiply
    147,987.16x = 222,013.98 × 42,814.32
  4. Step 4: Simplify right side
    147,987.16x = 9,505,377,584.19
  5. Step 5: Solve for x
    x = 9,505,377,584.19/147,987.16
  6. Step 6: Final answer
    x = 64,231.10

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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.