Home / 118,804.02-163,818.21-75,715.32

Finding the Fourth Proportional to 118,804.02, 163,818.21 and 75,715.32

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Solution

The fourth proportional to 118,804.02, 163,818.21 and 75,715.32 is: 104,403.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,804.02 : 163,818.21 = 75,715.32 : x
  2. Step 2: Convert to fraction form
    118,804.02/163,818.21 = 75,715.32/x
  3. Step 3: Cross multiply
    118,804.02x = 163,818.21 × 75,715.32
  4. Step 4: Simplify right side
    118,804.02x = 12,403,547,813.40
  5. Step 5: Solve for x
    x = 12,403,547,813.40/118,804.02
  6. Step 6: Final answer
    x = 104,403.44

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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.