Home / 113,354.01-169,030.96-112,342.21

Finding the Fourth Proportional to 113,354.01, 169,030.96 and 112,342.21

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Solution

The fourth proportional to 113,354.01, 169,030.96 and 112,342.21 is: 167,522.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,354.01 : 169,030.96 = 112,342.21 : x
  2. Step 2: Convert to fraction form
    113,354.01/169,030.96 = 112,342.21/x
  3. Step 3: Cross multiply
    113,354.01x = 169,030.96 × 112,342.21
  4. Step 4: Simplify right side
    113,354.01x = 18,989,310,901.39
  5. Step 5: Solve for x
    x = 18,989,310,901.39/113,354.01
  6. Step 6: Final answer
    x = 167,522.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.