Home / 215,030.88-296,750.22-118,242.10

Finding the Fourth Proportional to 215,030.88, 296,750.22 and 118,242.10

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Solution

The fourth proportional to 215,030.88, 296,750.22 and 118,242.10 is: 163,178.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,030.88 : 296,750.22 = 118,242.10 : x
  2. Step 2: Convert to fraction form
    215,030.88/296,750.22 = 118,242.10/x
  3. Step 3: Cross multiply
    215,030.88x = 296,750.22 × 118,242.10
  4. Step 4: Simplify right side
    215,030.88x = 35,088,369,188.26
  5. Step 5: Solve for x
    x = 35,088,369,188.26/215,030.88
  6. Step 6: Final answer
    x = 163,178.28

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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.