Home / 104,030.10-155,656.35-69,038.10

Finding the Fourth Proportional to 104,030.10, 155,656.35 and 69,038.10

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Solution

The fourth proportional to 104,030.10, 155,656.35 and 69,038.10 is: 103,299.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,030.10 : 155,656.35 = 69,038.10 : x
  2. Step 2: Convert to fraction form
    104,030.10/155,656.35 = 69,038.10/x
  3. Step 3: Cross multiply
    104,030.10x = 155,656.35 × 69,038.10
  4. Step 4: Simplify right side
    104,030.10x = 10,746,218,656.94
  5. Step 5: Solve for x
    x = 10,746,218,656.94/104,030.10
  6. Step 6: Final answer
    x = 103,299.13

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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.