Home / 147,521.60-221,457.88-141,506.08

Finding the Fourth Proportional to 147,521.60, 221,457.88 and 141,506.08

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Solution

The fourth proportional to 147,521.60, 221,457.88 and 141,506.08 is: 212,427.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,521.60 : 221,457.88 = 141,506.08 : x
  2. Step 2: Convert to fraction form
    147,521.60/221,457.88 = 141,506.08/x
  3. Step 3: Cross multiply
    147,521.60x = 221,457.88 × 141,506.08
  4. Step 4: Simplify right side
    147,521.60x = 31,337,636,483.91
  5. Step 5: Solve for x
    x = 31,337,636,483.91/147,521.60
  6. Step 6: Final answer
    x = 212,427.44

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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.