Home / 103,842.06-143,301.85-56,095.26

Finding the Fourth Proportional to 103,842.06, 143,301.85 and 56,095.26

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Solution

The fourth proportional to 103,842.06, 143,301.85 and 56,095.26 is: 77,411.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,842.06 : 143,301.85 = 56,095.26 : x
  2. Step 2: Convert to fraction form
    103,842.06/143,301.85 = 56,095.26/x
  3. Step 3: Cross multiply
    103,842.06x = 143,301.85 × 56,095.26
  4. Step 4: Simplify right side
    103,842.06x = 8,038,554,534.23
  5. Step 5: Solve for x
    x = 8,038,554,534.23/103,842.06
  6. Step 6: Final answer
    x = 77,411.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.