Home / 115,557.08-159,466.83-64,570.64

Finding the Fourth Proportional to 115,557.08, 159,466.83 and 64,570.64

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Solution

The fourth proportional to 115,557.08, 159,466.83 and 64,570.64 is: 89,106.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,557.08 : 159,466.83 = 64,570.64 : x
  2. Step 2: Convert to fraction form
    115,557.08/159,466.83 = 64,570.64/x
  3. Step 3: Cross multiply
    115,557.08x = 159,466.83 × 64,570.64
  4. Step 4: Simplify right side
    115,557.08x = 10,296,875,271.87
  5. Step 5: Solve for x
    x = 10,296,875,271.87/115,557.08
  6. Step 6: Final answer
    x = 89,106.40

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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.