Home / 210,303.07-290,210.04-114,810.55

Finding the Fourth Proportional to 210,303.07, 290,210.04 and 114,810.55

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Solution

The fourth proportional to 210,303.07, 290,210.04 and 114,810.55 is: 158,434.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,303.07 : 290,210.04 = 114,810.55 : x
  2. Step 2: Convert to fraction form
    210,303.07/290,210.04 = 114,810.55/x
  3. Step 3: Cross multiply
    210,303.07x = 290,210.04 × 114,810.55
  4. Step 4: Simplify right side
    210,303.07x = 33,319,173,582.40
  5. Step 5: Solve for x
    x = 33,319,173,582.40/210,303.07
  6. Step 6: Final answer
    x = 158,434.08

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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.