Home / 142,288.04-196,384.66-93,804.86

Finding the Fourth Proportional to 142,288.04, 196,384.66 and 93,804.86

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Solution

The fourth proportional to 142,288.04, 196,384.66 and 93,804.86 is: 129,468.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,288.04 : 196,384.66 = 93,804.86 : x
  2. Step 2: Convert to fraction form
    142,288.04/196,384.66 = 93,804.86/x
  3. Step 3: Cross multiply
    142,288.04x = 196,384.66 × 93,804.86
  4. Step 4: Simplify right side
    142,288.04x = 18,421,835,537.45
  5. Step 5: Solve for x
    x = 18,421,835,537.45/142,288.04
  6. Step 6: Final answer
    x = 129,468.62

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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.