Home / 215,354.63-297,184.13-118,557.69

Finding the Fourth Proportional to 215,354.63, 297,184.13 and 118,557.69

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Solution

The fourth proportional to 215,354.63, 297,184.13 and 118,557.69 is: 163,606.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,354.63 : 297,184.13 = 118,557.69 : x
  2. Step 2: Convert to fraction form
    215,354.63/297,184.13 = 118,557.69/x
  3. Step 3: Cross multiply
    215,354.63x = 297,184.13 × 118,557.69
  4. Step 4: Simplify right side
    215,354.63x = 35,233,463,364.67
  5. Step 5: Solve for x
    x = 35,233,463,364.67/215,354.63
  6. Step 6: Final answer
    x = 163,606.72

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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.