Home / 145,424.36-218,080.56-56,666.18

Finding the Fourth Proportional to 145,424.36, 218,080.56 and 56,666.18

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Solution

The fourth proportional to 145,424.36, 218,080.56 and 56,666.18 is: 84,977.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,424.36 : 218,080.56 = 56,666.18 : x
  2. Step 2: Convert to fraction form
    145,424.36/218,080.56 = 56,666.18/x
  3. Step 3: Cross multiply
    145,424.36x = 218,080.56 × 56,666.18
  4. Step 4: Simplify right side
    145,424.36x = 12,357,792,267.46
  5. Step 5: Solve for x
    x = 12,357,792,267.46/145,424.36
  6. Step 6: Final answer
    x = 84,977.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.