Home / 105,746.86-145,938.36-60,423.82

Finding the Fourth Proportional to 105,746.86, 145,938.36 and 60,423.82

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Solution

The fourth proportional to 105,746.86, 145,938.36 and 60,423.82 is: 83,389.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,746.86 : 145,938.36 = 60,423.82 : x
  2. Step 2: Convert to fraction form
    105,746.86/145,938.36 = 60,423.82/x
  3. Step 3: Cross multiply
    105,746.86x = 145,938.36 × 60,423.82
  4. Step 4: Simplify right side
    105,746.86x = 8,818,153,195.74
  5. Step 5: Solve for x
    x = 8,818,153,195.74/105,746.86
  6. Step 6: Final answer
    x = 83,389.27

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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.