Home / 107,065.80-147,298.10-104,113.35

Finding the Fourth Proportional to 107,065.80, 147,298.10 and 104,113.35

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Solution

The fourth proportional to 107,065.80, 147,298.10 and 104,113.35 is: 143,236.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,065.80 : 147,298.10 = 104,113.35 : x
  2. Step 2: Convert to fraction form
    107,065.80/147,298.10 = 104,113.35/x
  3. Step 3: Cross multiply
    107,065.80x = 147,298.10 × 104,113.35
  4. Step 4: Simplify right side
    107,065.80x = 15,335,698,119.07
  5. Step 5: Solve for x
    x = 15,335,698,119.07/107,065.80
  6. Step 6: Final answer
    x = 143,236.20

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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.