Home / 104,260.69-143,875.90-56,513.01

Finding the Fourth Proportional to 104,260.69, 143,875.90 and 56,513.01

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Solution

The fourth proportional to 104,260.69, 143,875.90 and 56,513.01 is: 77,985.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,260.69 : 143,875.90 = 56,513.01 : x
  2. Step 2: Convert to fraction form
    104,260.69/143,875.90 = 56,513.01/x
  3. Step 3: Cross multiply
    104,260.69x = 143,875.90 × 56,513.01
  4. Step 4: Simplify right side
    104,260.69x = 8,130,860,535.15
  5. Step 5: Solve for x
    x = 8,130,860,535.15/104,260.69
  6. Step 6: Final answer
    x = 77,985.87

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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.