Home / 162,319.95-243,315.90-73,637.10

Finding the Fourth Proportional to 162,319.95, 243,315.90 and 73,637.10

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Solution

The fourth proportional to 162,319.95, 243,315.90 and 73,637.10 is: 110,381.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,319.95 : 243,315.90 = 73,637.10 : x
  2. Step 2: Convert to fraction form
    162,319.95/243,315.90 = 73,637.10/x
  3. Step 3: Cross multiply
    162,319.95x = 243,315.90 × 73,637.10
  4. Step 4: Simplify right side
    162,319.95x = 17,917,077,259.89
  5. Step 5: Solve for x
    x = 17,917,077,259.89/162,319.95
  6. Step 6: Final answer
    x = 110,381.24

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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.