Home / 153,147.02-211,345.38-84,239.20

Finding the Fourth Proportional to 153,147.02, 211,345.38 and 84,239.20

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Solution

The fourth proportional to 153,147.02, 211,345.38 and 84,239.20 is: 116,251.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,147.02 : 211,345.38 = 84,239.20 : x
  2. Step 2: Convert to fraction form
    153,147.02/211,345.38 = 84,239.20/x
  3. Step 3: Cross multiply
    153,147.02x = 211,345.38 × 84,239.20
  4. Step 4: Simplify right side
    153,147.02x = 17,803,566,052.66
  5. Step 5: Solve for x
    x = 17,803,566,052.66/153,147.02
  6. Step 6: Final answer
    x = 116,251.47

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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.