Home / 145,206.60-217,802.04-45,355.32

Finding the Fourth Proportional to 145,206.60, 217,802.04 and 45,355.32

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Solution

The fourth proportional to 145,206.60, 217,802.04 and 45,355.32 is: 68,030.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,206.60 : 217,802.04 = 45,355.32 : x
  2. Step 2: Convert to fraction form
    145,206.60/217,802.04 = 45,355.32/x
  3. Step 3: Cross multiply
    145,206.60x = 217,802.04 × 45,355.32
  4. Step 4: Simplify right side
    145,206.60x = 9,878,481,220.85
  5. Step 5: Solve for x
    x = 9,878,481,220.85/145,206.60
  6. Step 6: Final answer
    x = 68,030.52

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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.