Home / 218,840.20-302,248.59-147,095.66

Finding the Fourth Proportional to 218,840.20, 302,248.59 and 147,095.66

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Solution

The fourth proportional to 218,840.20, 302,248.59 and 147,095.66 is: 203,159.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,840.20 : 302,248.59 = 147,095.66 : x
  2. Step 2: Convert to fraction form
    218,840.20/302,248.59 = 147,095.66/x
  3. Step 3: Cross multiply
    218,840.20x = 302,248.59 × 147,095.66
  4. Step 4: Simplify right side
    218,840.20x = 44,459,455,830.12
  5. Step 5: Solve for x
    x = 44,459,455,830.12/218,840.20
  6. Step 6: Final answer
    x = 203,159.46

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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.