Home / 104,254.18-143,870.92-56,507.51

Finding the Fourth Proportional to 104,254.18, 143,870.92 and 56,507.51

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Solution

The fourth proportional to 104,254.18, 143,870.92 and 56,507.51 is: 77,980.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,254.18 : 143,870.92 = 56,507.51 : x
  2. Step 2: Convert to fraction form
    104,254.18/143,870.92 = 56,507.51/x
  3. Step 3: Cross multiply
    104,254.18x = 143,870.92 × 56,507.51
  4. Step 4: Simplify right side
    104,254.18x = 8,129,787,669.02
  5. Step 5: Solve for x
    x = 8,129,787,669.02/104,254.18
  6. Step 6: Final answer
    x = 77,980.45

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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.