Home / 104,657.06-144,429.48-56,913.20

Finding the Fourth Proportional to 104,657.06, 144,429.48 and 56,913.20

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Solution

The fourth proportional to 104,657.06, 144,429.48 and 56,913.20 is: 78,541.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,657.06 : 144,429.48 = 56,913.20 : x
  2. Step 2: Convert to fraction form
    104,657.06/144,429.48 = 56,913.20/x
  3. Step 3: Cross multiply
    104,657.06x = 144,429.48 × 56,913.20
  4. Step 4: Simplify right side
    104,657.06x = 8,219,943,881.14
  5. Step 5: Solve for x
    x = 8,219,943,881.14/104,657.06
  6. Step 6: Final answer
    x = 78,541.70

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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.