Home / 113,313.73-170,645.15-98,699.17

Finding the Fourth Proportional to 113,313.73, 170,645.15 and 98,699.17

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Solution

The fourth proportional to 113,313.73, 170,645.15 and 98,699.17 is: 148,636.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,313.73 : 170,645.15 = 98,699.17 : x
  2. Step 2: Convert to fraction form
    113,313.73/170,645.15 = 98,699.17/x
  3. Step 3: Cross multiply
    113,313.73x = 170,645.15 × 98,699.17
  4. Step 4: Simplify right side
    113,313.73x = 16,842,534,669.53
  5. Step 5: Solve for x
    x = 16,842,534,669.53/113,313.73
  6. Step 6: Final answer
    x = 148,636.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.