Home / 210,719.04-316,012.59-70,444.86

Finding the Fourth Proportional to 210,719.04, 316,012.59 and 70,444.86

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Solution

The fourth proportional to 210,719.04, 316,012.59 and 70,444.86 is: 105,645.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,719.04 : 316,012.59 = 70,444.86 : x
  2. Step 2: Convert to fraction form
    210,719.04/316,012.59 = 70,444.86/x
  3. Step 3: Cross multiply
    210,719.04x = 316,012.59 × 70,444.86
  4. Step 4: Simplify right side
    210,719.04x = 22,261,462,660.79
  5. Step 5: Solve for x
    x = 22,261,462,660.79/210,719.04
  6. Step 6: Final answer
    x = 105,645.24

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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.