Home / 104,435.19-144,120.74-56,688.53

Finding the Fourth Proportional to 104,435.19, 144,120.74 and 56,688.53

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Solution

The fourth proportional to 104,435.19, 144,120.74 and 56,688.53 is: 78,230.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,435.19 : 144,120.74 = 56,688.53 : x
  2. Step 2: Convert to fraction form
    104,435.19/144,120.74 = 56,688.53/x
  3. Step 3: Cross multiply
    104,435.19x = 144,120.74 × 56,688.53
  4. Step 4: Simplify right side
    104,435.19x = 8,169,991,889.07
  5. Step 5: Solve for x
    x = 8,169,991,889.07/104,435.19
  6. Step 6: Final answer
    x = 78,230.26

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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.