Home / 104,008.08-143,531.04-56,261.28

Finding the Fourth Proportional to 104,008.08, 143,531.04 and 56,261.28

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Solution

The fourth proportional to 104,008.08, 143,531.04 and 56,261.28 is: 77,640.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,008.08 : 143,531.04 = 56,261.28 : x
  2. Step 2: Convert to fraction form
    104,008.08/143,531.04 = 56,261.28/x
  3. Step 3: Cross multiply
    104,008.08x = 143,531.04 × 56,261.28
  4. Step 4: Simplify right side
    104,008.08x = 8,075,240,030.13
  5. Step 5: Solve for x
    x = 8,075,240,030.13/104,008.08
  6. Step 6: Final answer
    x = 77,640.51

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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.