Home / 106,326.95-146,792.27-70,565.45

Finding the Fourth Proportional to 106,326.95, 146,792.27 and 70,565.45

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Solution

The fourth proportional to 106,326.95, 146,792.27 and 70,565.45 is: 97,420.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,326.95 : 146,792.27 = 70,565.45 : x
  2. Step 2: Convert to fraction form
    106,326.95/146,792.27 = 70,565.45/x
  3. Step 3: Cross multiply
    106,326.95x = 146,792.27 × 70,565.45
  4. Step 4: Simplify right side
    106,326.95x = 10,358,462,031.52
  5. Step 5: Solve for x
    x = 10,358,462,031.52/106,326.95
  6. Step 6: Final answer
    x = 97,420.86

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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.