Home / 215,158.16-296,918.27-118,363.36

Finding the Fourth Proportional to 215,158.16, 296,918.27 and 118,363.36

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Solution

The fourth proportional to 215,158.16, 296,918.27 and 118,363.36 is: 163,341.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,158.16 : 296,918.27 = 118,363.36 : x
  2. Step 2: Convert to fraction form
    215,158.16/296,918.27 = 118,363.36/x
  3. Step 3: Cross multiply
    215,158.16x = 296,918.27 × 118,363.36
  4. Step 4: Simplify right side
    215,158.16x = 35,144,243,490.77
  5. Step 5: Solve for x
    x = 35,144,243,490.77/215,158.16
  6. Step 6: Final answer
    x = 163,341.44

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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.