Home / 134,868.80-202,359.90-72,466.40

Finding the Fourth Proportional to 134,868.80, 202,359.90 and 72,466.40

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Solution

The fourth proportional to 134,868.80, 202,359.90 and 72,466.40 is: 108,730.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,868.80 : 202,359.90 = 72,466.40 : x
  2. Step 2: Convert to fraction form
    134,868.80/202,359.90 = 72,466.40/x
  3. Step 3: Cross multiply
    134,868.80x = 202,359.90 × 72,466.40
  4. Step 4: Simplify right side
    134,868.80x = 14,664,293,457.36
  5. Step 5: Solve for x
    x = 14,664,293,457.36/134,868.80
  6. Step 6: Final answer
    x = 108,730.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.