Home / 215,695.67-297,646.95-118,895.30

Finding the Fourth Proportional to 215,695.67, 297,646.95 and 118,895.30

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Solution

The fourth proportional to 215,695.67, 297,646.95 and 118,895.30 is: 164,068.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,695.67 : 297,646.95 = 118,895.30 : x
  2. Step 2: Convert to fraction form
    215,695.67/297,646.95 = 118,895.30/x
  3. Step 3: Cross multiply
    215,695.67x = 297,646.95 × 118,895.30
  4. Step 4: Simplify right side
    215,695.67x = 35,388,821,926.10
  5. Step 5: Solve for x
    x = 35,388,821,926.10/215,695.67
  6. Step 6: Final answer
    x = 164,068.30

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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.