Home / 108,423.15-162,547.05-45,291.63

Finding the Fourth Proportional to 108,423.15, 162,547.05 and 45,291.63

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Solution

The fourth proportional to 108,423.15, 162,547.05 and 45,291.63 is: 67,900.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,423.15 : 162,547.05 = 45,291.63 : x
  2. Step 2: Convert to fraction form
    108,423.15/162,547.05 = 45,291.63/x
  3. Step 3: Cross multiply
    108,423.15x = 162,547.05 × 45,291.63
  4. Step 4: Simplify right side
    108,423.15x = 7,362,020,846.19
  5. Step 5: Solve for x
    x = 7,362,020,846.19/108,423.15
  6. Step 6: Final answer
    x = 67,900.82

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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.