Home / 134,807.02-186,039.72-77,464.91

Finding the Fourth Proportional to 134,807.02, 186,039.72 and 77,464.91

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Solution

The fourth proportional to 134,807.02, 186,039.72 and 77,464.91 is: 106,905.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,807.02 : 186,039.72 = 77,464.91 : x
  2. Step 2: Convert to fraction form
    134,807.02/186,039.72 = 77,464.91/x
  3. Step 3: Cross multiply
    134,807.02x = 186,039.72 × 77,464.91
  4. Step 4: Simplify right side
    134,807.02x = 14,411,549,421.45
  5. Step 5: Solve for x
    x = 14,411,549,421.45/134,807.02
  6. Step 6: Final answer
    x = 106,905.04

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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.