Home / 102,214.04-141,054.26-56,891.30

Finding the Fourth Proportional to 102,214.04, 141,054.26 and 56,891.30

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Solution

The fourth proportional to 102,214.04, 141,054.26 and 56,891.30 is: 78,509.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,214.04 : 141,054.26 = 56,891.30 : x
  2. Step 2: Convert to fraction form
    102,214.04/141,054.26 = 56,891.30/x
  3. Step 3: Cross multiply
    102,214.04x = 141,054.26 × 56,891.30
  4. Step 4: Simplify right side
    102,214.04x = 8,024,759,232.21
  5. Step 5: Solve for x
    x = 8,024,759,232.21/102,214.04
  6. Step 6: Final answer
    x = 78,509.37

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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.