Home / 105,486.09-145,569.67-60,162.90

Finding the Fourth Proportional to 105,486.09, 145,569.67 and 60,162.90

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Solution

The fourth proportional to 105,486.09, 145,569.67 and 60,162.90 is: 83,024.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,486.09 : 145,569.67 = 60,162.90 : x
  2. Step 2: Convert to fraction form
    105,486.09/145,569.67 = 60,162.90/x
  3. Step 3: Cross multiply
    105,486.09x = 145,569.67 × 60,162.90
  4. Step 4: Simplify right side
    105,486.09x = 8,757,893,499.24
  5. Step 5: Solve for x
    x = 8,757,893,499.24/105,486.09
  6. Step 6: Final answer
    x = 83,024.16

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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.