Home / 103,802.16-143,246.98-56,055.50

Finding the Fourth Proportional to 103,802.16, 143,246.98 and 56,055.50

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Solution

The fourth proportional to 103,802.16, 143,246.98 and 56,055.50 is: 77,356.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,802.16 : 143,246.98 = 56,055.50 : x
  2. Step 2: Convert to fraction form
    103,802.16/143,246.98 = 56,055.50/x
  3. Step 3: Cross multiply
    103,802.16x = 143,246.98 × 56,055.50
  4. Step 4: Simplify right side
    103,802.16x = 8,029,781,468.85
  5. Step 5: Solve for x
    x = 8,029,781,468.85/103,802.16
  6. Step 6: Final answer
    x = 77,356.59

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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.