Home / 149,875.48-206,737.68-98,870.10

Finding the Fourth Proportional to 149,875.48, 206,737.68 and 98,870.10

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Solution

The fourth proportional to 149,875.48, 206,737.68 and 98,870.10 is: 136,381.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,875.48 : 206,737.68 = 98,870.10 : x
  2. Step 2: Convert to fraction form
    149,875.48/206,737.68 = 98,870.10/x
  3. Step 3: Cross multiply
    149,875.48x = 206,737.68 × 98,870.10
  4. Step 4: Simplify right side
    149,875.48x = 20,440,175,095.37
  5. Step 5: Solve for x
    x = 20,440,175,095.37/149,875.48
  6. Step 6: Final answer
    x = 136,381.05

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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.