Home / 105,800.10-158,570.55-46,572.90

Finding the Fourth Proportional to 105,800.10, 158,570.55 and 46,572.90

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Solution

The fourth proportional to 105,800.10, 158,570.55 and 46,572.90 is: 69,802.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,800.10 : 158,570.55 = 46,572.90 : x
  2. Step 2: Convert to fraction form
    105,800.10/158,570.55 = 46,572.90/x
  3. Step 3: Cross multiply
    105,800.10x = 158,570.55 × 46,572.90
  4. Step 4: Simplify right side
    105,800.10x = 7,385,090,368.10
  5. Step 5: Solve for x
    x = 7,385,090,368.10/105,800.10
  6. Step 6: Final answer
    x = 69,802.30

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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.