Home / 97,106.85-133,995.06-54,657.18

Finding the Fourth Proportional to 97,106.85, 133,995.06 and 54,657.18

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Solution

The fourth proportional to 97,106.85, 133,995.06 and 54,657.18 is: 75,419.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,106.85 : 133,995.06 = 54,657.18 : x
  2. Step 2: Convert to fraction form
    97,106.85/133,995.06 = 54,657.18/x
  3. Step 3: Cross multiply
    97,106.85x = 133,995.06 × 54,657.18
  4. Step 4: Simplify right side
    97,106.85x = 7,323,792,113.53
  5. Step 5: Solve for x
    x = 7,323,792,113.53/97,106.85
  6. Step 6: Final answer
    x = 75,419.93

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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.