Home / 215,316.48-297,134.52-118,517.16

Finding the Fourth Proportional to 215,316.48, 297,134.52 and 118,517.16

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Solution

The fourth proportional to 215,316.48, 297,134.52 and 118,517.16 is: 163,552.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,316.48 : 297,134.52 = 118,517.16 : x
  2. Step 2: Convert to fraction form
    215,316.48/297,134.52 = 118,517.16/x
  3. Step 3: Cross multiply
    215,316.48x = 297,134.52 × 118,517.16
  4. Step 4: Simplify right side
    215,316.48x = 35,215,539,448.36
  5. Step 5: Solve for x
    x = 35,215,539,448.36/215,316.48
  6. Step 6: Final answer
    x = 163,552.46

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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.