Home / 153,066.02-211,235.01-84,154.64

Finding the Fourth Proportional to 153,066.02, 211,235.01 and 84,154.64

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Solution

The fourth proportional to 153,066.02, 211,235.01 and 84,154.64 is: 116,135.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,066.02 : 211,235.01 = 84,154.64 : x
  2. Step 2: Convert to fraction form
    153,066.02/211,235.01 = 84,154.64/x
  3. Step 3: Cross multiply
    153,066.02x = 211,235.01 × 84,154.64
  4. Step 4: Simplify right side
    153,066.02x = 17,776,406,221.95
  5. Step 5: Solve for x
    x = 17,776,406,221.95/153,066.02
  6. Step 6: Final answer
    x = 116,135.55

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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.