Home / 253,298.12-349,555.14-140,120.36

Finding the Fourth Proportional to 253,298.12, 349,555.14 and 140,120.36

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Solution

The fourth proportional to 253,298.12, 349,555.14 and 140,120.36 is: 193,368.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,298.12 : 349,555.14 = 140,120.36 : x
  2. Step 2: Convert to fraction form
    253,298.12/349,555.14 = 140,120.36/x
  3. Step 3: Cross multiply
    253,298.12x = 349,555.14 × 140,120.36
  4. Step 4: Simplify right side
    253,298.12x = 48,979,792,056.65
  5. Step 5: Solve for x
    x = 48,979,792,056.65/253,298.12
  6. Step 6: Final answer
    x = 193,368.16

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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.