Home / 139,710.02-209,565.09-46,215.77

Finding the Fourth Proportional to 139,710.02, 209,565.09 and 46,215.77

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Solution

The fourth proportional to 139,710.02, 209,565.09 and 46,215.77 is: 69,323.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,710.02 : 209,565.09 = 46,215.77 : x
  2. Step 2: Convert to fraction form
    139,710.02/209,565.09 = 46,215.77/x
  3. Step 3: Cross multiply
    139,710.02x = 209,565.09 × 46,215.77
  4. Step 4: Simplify right side
    139,710.02x = 9,685,210,951.64
  5. Step 5: Solve for x
    x = 9,685,210,951.64/139,710.02
  6. Step 6: Final answer
    x = 69,323.67

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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.