Home / 350,423.46-525,888.63-140,120.10

Finding the Fourth Proportional to 350,423.46, 525,888.63 and 140,120.10

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Solution

The fourth proportional to 350,423.46, 525,888.63 and 140,120.10 is: 210,281.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,423.46 : 525,888.63 = 140,120.10 : x
  2. Step 2: Convert to fraction form
    350,423.46/525,888.63 = 140,120.10/x
  3. Step 3: Cross multiply
    350,423.46x = 525,888.63 × 140,120.10
  4. Step 4: Simplify right side
    350,423.46x = 73,687,567,424.46
  5. Step 5: Solve for x
    x = 73,687,567,424.46/350,423.46
  6. Step 6: Final answer
    x = 210,281.49

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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.