Home / 210,720.42-316,014.65-70,446.24

Finding the Fourth Proportional to 210,720.42, 316,014.65 and 70,446.24

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Solution

The fourth proportional to 210,720.42, 316,014.65 and 70,446.24 is: 105,647.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,720.42 : 316,014.65 = 70,446.24 : x
  2. Step 2: Convert to fraction form
    210,720.42/316,014.65 = 70,446.24/x
  3. Step 3: Cross multiply
    210,720.42x = 316,014.65 × 70,446.24
  4. Step 4: Simplify right side
    210,720.42x = 22,262,042,473.46
  5. Step 5: Solve for x
    x = 22,262,042,473.46/210,720.42
  6. Step 6: Final answer
    x = 105,647.30

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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.