Home / 170,748.17-235,712.21-99,114.40

Finding the Fourth Proportional to 170,748.17, 235,712.21 and 99,114.40

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Solution

The fourth proportional to 170,748.17, 235,712.21 and 99,114.40 is: 136,824.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,748.17 : 235,712.21 = 99,114.40 : x
  2. Step 2: Convert to fraction form
    170,748.17/235,712.21 = 99,114.40/x
  3. Step 3: Cross multiply
    170,748.17x = 235,712.21 × 99,114.40
  4. Step 4: Simplify right side
    170,748.17x = 23,362,474,360.53
  5. Step 5: Solve for x
    x = 23,362,474,360.53/170,748.17
  6. Step 6: Final answer
    x = 136,824.16

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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.