Home / 212,087.64-292,681.56-121,444.98

Finding the Fourth Proportional to 212,087.64, 292,681.56 and 121,444.98

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Solution

The fourth proportional to 212,087.64, 292,681.56 and 121,444.98 is: 167,594.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,087.64 : 292,681.56 = 121,444.98 : x
  2. Step 2: Convert to fraction form
    212,087.64/292,681.56 = 121,444.98/x
  3. Step 3: Cross multiply
    212,087.64x = 292,681.56 × 121,444.98
  4. Step 4: Simplify right side
    212,087.64x = 35,544,706,200.57
  5. Step 5: Solve for x
    x = 35,544,706,200.57/212,087.64
  6. Step 6: Final answer
    x = 167,594.43

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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.