Home / 162,719.04-243,088.98-105,325.36

Finding the Fourth Proportional to 162,719.04, 243,088.98 and 105,325.36

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Solution

The fourth proportional to 162,719.04, 243,088.98 and 105,325.36 is: 157,347.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,719.04 : 243,088.98 = 105,325.36 : x
  2. Step 2: Convert to fraction form
    162,719.04/243,088.98 = 105,325.36/x
  3. Step 3: Cross multiply
    162,719.04x = 243,088.98 × 105,325.36
  4. Step 4: Simplify right side
    162,719.04x = 25,603,435,287.67
  5. Step 5: Solve for x
    x = 25,603,435,287.67/162,719.04
  6. Step 6: Final answer
    x = 157,347.51

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.