Home / 145,977.06-218,946.70-46,147.32

Finding the Fourth Proportional to 145,977.06, 218,946.70 and 46,147.32

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Solution

The fourth proportional to 145,977.06, 218,946.70 and 46,147.32 is: 69,215.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,977.06 : 218,946.70 = 46,147.32 : x
  2. Step 2: Convert to fraction form
    145,977.06/218,946.70 = 46,147.32/x
  3. Step 3: Cross multiply
    145,977.06x = 218,946.70 × 46,147.32
  4. Step 4: Simplify right side
    145,977.06x = 10,103,803,427.84
  5. Step 5: Solve for x
    x = 10,103,803,427.84/145,977.06
  6. Step 6: Final answer
    x = 69,215.01

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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.